yeah i hear ya. i was kind of lumping in destination weddings with eloping. Re: food--i know good from bad, but i'll eat just about anything. especially fond of the late night snack if there is one. pizza or corn dogs or whatever. god that's good at 11pm.
a nice compromise on the bar situation is to do no kegs but subsidize all drinks (instead of going all open bar or free kegs/pay drinks). if a place is charging $5 a beer you pay a percentage of that and your guests pay the rest. some places will let you really customize it--wedding party pays 50% of beer/wine and 25% alcohol for example. you might get shafted if you have a ton of heavy drinkers though.
the trick with sleeping with people you would never hang out with or hold a decent conversation with is to not find that out until after. i found that out in my sordid past. really easy if you make no attempt to get to know them first. like at a wedding. stick to small talk and hopefully they don't do anything to put you off them. now that i'm married, weddings are mostly boring. *sigh*